Soil & tillage research
Soil and tillage research
International Soil Tillage Research Organization
text
Amsterdam
Elsevier Scientific Pub. Co.
1980-
continuing
v. : ill. ; 24 cm.
Soil management
Tillage
Sols
Sols
Soil management
Tillage
631 ELS 1986 1986 A106 Or.
0167-1987